Forgot to compile Sass for previous style update of the LTI launch button

lti_consumer/static/css/student.css

-.xblock-student_view.xblock-student_view-lti_consumer h2.problem-header{display:inline-block}.xblock-student_view.xblock-student_view-lti_consumer div.problem-progress{display:inline-block;padding-left:5px;color:#666;font-weight:100;font-size:1em}.xblock-student_view.xblock-student_view-lti_consumer div.lti_consumer{margin:0 auto}.xblock-student_view.xblock-student_view-lti_consumer div.lti_consumer .wrapper-lti-link{font-size:14px;background-color:#f6f6f6;padding:20px}.xblock-student_view.xblock-student_view-lti_consumer div.lti_consumer .wrapper-lti-link .lti-link{margin-bottom:0;text-align:right}.xblock-student_view.xblock-student_view-lti_consumer div.lti_consumer .wrapper-lti-link .lti-link button{font-size:13px;line-height:20.72px}.xblock-student_view.xblock-student_view-lti_consumer div.lti_consumer .lti-modal{position:fixed;opacity:0;z-index:11000;box-sizing:border-box;margin-left:0;height:auto;padding:8px;border-radius:3px;box-shadow:0 0 5px 0 rgba(0,0,0,0.4);background:#464646;color:#3c3c3c}.xblock-student_view.xblock-student_view-lti_consumer div.lti_consumer .lti-modal .close-modal{display:inline-block;position:absolute;right:0px;top:0px;z-index:100;cursor:pointer;padding:10px;background-color:#fff !important;border:none;text-align:center}.xblock-student_view.xblock-student_view-lti_consumer div.lti_consumer .lti-modal .close-modal .fa{font:normal normal normal 14px/1 FontAwesome;font-size:inherit}.xblock-student_view.xblock-student_view-lti_consumer div.lti_consumer .lti-modal .inner-wrapper{height:100%;padding:0 0 0 0}.xblock-student_view.xblock-student_view-lti_consumer div.lti_consumer form.ltiLaunchForm{display:none}.xblock-student_view.xblock-student_view-lti_consumer div.lti_consumer iframe.ltiLaunchFrame{width:100%;height:100%;display:block;border:0px}.xblock-student_view.xblock-student_view-lti_consumer div.lti_consumer h4.problem-feedback-label{font-weight:100;font-size:1em;font-family:"Source Sans", "Open Sans", Verdana, Geneva, sans-serif, sans-serif}.xblock-student_view.xblock-student_view-lti_consumer div.lti_consumer div.problem-feedback{margin-top:5px;margin-bottom:5px}.lean-overlay{background:transparent;background-image:radial-gradient(circle at 50% 30%, rgba(0,0,0,0.4), rgba(0,0,0,0.6));display:none;height:100%;left:0;position:fixed;top:0;width:100%;z-index:100}
+.xblock-student_view.xblock-student_view-lti_consumer h2.problem-header{display:inline-block}.xblock-student_view.xblock-student_view-lti_consumer div.problem-progress{display:inline-block;padding-left:5px;color:#666;font-weight:100;font-size:1em}.xblock-student_view.xblock-student_view-lti_consumer div.lti_consumer{margin:0 auto}.xblock-student_view.xblock-student_view-lti_consumer div.lti_consumer .wrapper-lti-link{font-size:14px;background-color:#f6f6f6;padding:20px}.xblock-student_view.xblock-student_view-lti_consumer div.lti_consumer .wrapper-lti-link .lti-link{margin-bottom:0;margin-top:20px;text-align:left}.xblock-student_view.xblock-student_view-lti_consumer div.lti_consumer .wrapper-lti-link .lti-link button{font-size:13px;line-height:20.72px}.xblock-student_view.xblock-student_view-lti_consumer div.lti_consumer .lti-modal{position:fixed;opacity:0;z-index:11000;box-sizing:border-box;margin-left:0;height:auto;padding:8px;border-radius:3px;box-shadow:0 0 5px 0 rgba(0,0,0,0.4);background:#464646;color:#3c3c3c}.xblock-student_view.xblock-student_view-lti_consumer div.lti_consumer .lti-modal .close-modal{display:inline-block;position:absolute;right:0px;top:0px;z-index:100;cursor:pointer;padding:10px;background-color:#fff !important;border:none;text-align:center}.xblock-student_view.xblock-student_view-lti_consumer div.lti_consumer .lti-modal .close-modal .fa{font:normal normal normal 14px/1 FontAwesome;font-size:inherit}.xblock-student_view.xblock-student_view-lti_consumer div.lti_consumer .lti-modal .inner-wrapper{height:100%;padding:0 0 0 0}.xblock-student_view.xblock-student_view-lti_consumer div.lti_consumer form.ltiLaunchForm{display:none}.xblock-student_view.xblock-student_view-lti_consumer div.lti_consumer iframe.ltiLaunchFrame{width:100%;height:100%;display:block;border:0px}.xblock-student_view.xblock-student_view-lti_consumer div.lti_consumer h4.problem-feedback-label{font-weight:100;font-size:1em;font-family:"Source Sans", "Open Sans", Verdana, Geneva, sans-serif, sans-serif}.xblock-student_view.xblock-student_view-lti_consumer div.lti_consumer div.problem-feedback{margin-top:5px;margin-bottom:5px}.lean-overlay{background:transparent;background-image:radial-gradient(circle at 50% 30%, rgba(0,0,0,0.4), rgba(0,0,0,0.6));display:none;height:100%;left:0;position:fixed;top:0;width:100%;z-index:100}